... CameraFeaturesSystem securitySupports three-level account, password, user multi-level authority managementDDNS(free)Built in free DDNS ... client(free)No need to install software, support multi-channel monitor &management & check alarm picture via IESuper ... 64-channel , no user limited , centralized monitorSuperioritySupport multi-channel monitor via cellphone or computer,certified by Microsoft activeX, ...